Chicago has long been a global leader in an interesting export category: Maker of the world's tallest buildings. The world's current tallest building was designed here, as well as the one that will supplant it. Now, the city's architects will add even more towers to their list due to a relationship with the planet's…

Everyone, these are trap-jaw ants. The two featured here are fighting. Watch them closely – even in slow motion, the the spring-loaded snap of a trap-jaw's maw is powerful enough to send both ants twirling in opposite directions in the blink of an eye.

On our blink-and-you'll-miss-it visit to the world's largest building site, aka Dubai, we stopped for a gawk at this, the Burj Dubai. Currently the tallest structure in the world, it stands at 156 stories and 585 meters high, but is expected to reach around 800 meters when finished. Designed by Adrian Smith, the tower…